<template>
  <div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from '@/views/dashboard/mixins/resize.js'
import { queryOrderCategoryTop10 } from "@/api/order/settleAccounts.js";

const animationDuration = 3000

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '250px'
    }
  },
  data() {
    return {
      chart: null
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    fetchChartData(queryParams) {
      console.log('子组件接收到 queryParams:', queryParams)

      queryOrderCategoryTop10(queryParams).then(res => {
        this.setOptions(res.data)
      })
    },
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')
      let sendData = {
        startTime: null,
        endTime: null
      }
      queryOrderCategoryTop10(sendData).then(res => {
        this.setOptions(res.data);
      });
    },

    setOptions(list) {
      this.chart.setOption({
        tooltip: {
          trigger: 'axis',
          axisPointer: { // 坐标轴指示器，坐标轴触发有效
            type: 'shadow' // 默认为直线，可选为：'line' | 'shadow'
          }
        },
        grid: {
          top: 10,
          left: '2%',
          right: '2%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [{
          type: 'category',
          data: list.map(a => a.name),
          axisTick: {
            alignWithLabel: true
          },
          axisLabel: {
            interval: 0,
            rotate: 40,
            color: '#333333'
          }
        }],
        yAxis: [{
          type: 'value',
          axisTick: {
            show: false
          },
          axisLabel: {
            color: '#333333'
          }
        }],
        series: [{
          name: '总数',
          type: 'bar',
          stack: 'vistors',
          barWidth: '20',

          itemStyle: {
            normal: {
              barBorderRadius: [15, 15, 15, 15],
              color: ['#1890ff']
            },

          },
          data: list.map(a => a.orderCount),
          animationDuration
        }]
      })
    }
  }
}
</script>
